[Fit For]-- The replacement extractor blade is compatible with 600W or Pro 900W series models. 600W units: NBR-0601, NBR-1201, -101, -101B, -101S. 900W units: NB9-1301, -201. [Not Fit For]-- Not compatible with 1700, Lean 1200, Baby, or Ninja blenders. Please verify your blender model before purchase. [Powerful Stainless Steel Extractor Blades]-- High-speed blade constructed from food-safe stainless steel and sealed with silicone rubber gaskets for leak resistance. Durable design uses cyclonic action to process tough ingredients. Ideal for making smoothies, omelets, snacks, and nut butters. [Included]-- 1 x Replacement Extractor Blade Assembly. 1 x Silicone Rubber Gasket O-Ring (pre-installed in the blade). Blade dimensions: Outer Diameter/Inner Diameter: 10.5/9.8 cm x Height: 4.2 cm. [Note]-- The silicone rubber gasket may become loose during shipping; ensure it is securely seated in the blade for optimal performance. Color: Gray. Material: Plastic + Stainless Steel. Package includes: 1 x Replacement Extractor Blade. No other items included. Light and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: ±1–3 cm.